P1201 Trouble Code

View P1201 obd/2 error code description and symptoms. P1201 engine photo

Engine Coolant Temperature (ECT) Circuit High Input Indicates the sensor signal is greater than Self-Test maximum. The ECT sensor maximum is 4.6 volts or -50 C (-58 F). Note on some vehicles that are not equipped with an ECT sensor, CHT can be used and can set this DTC. Open circuit in harness Sensor signal short to power Damaged PCM Improper harness connection Damaged sensor ECT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault.

As the engine heats up and combustion becomes easier and more complete, the PCM will command the idling control valve to increase the amount of air entering the engine to suit the changing conditions. However, when the load on the engine changes, say, when some electrical consumers or other systems are either turned on or off, the PCM adapts the signal voltage to the idle control valve to ensure that the idling speed remains stable, and at the RPM specified by the manufacturer.

P1201 Error Code Repair Process :

If your p1201 injector circuit open / shorted cylinder #1 check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P1201 and engine control unit are in charge of monitoring a bunch of different p1201 injector circuit open / shorted cylinder #1, and if they get a reading that's a little out of whack, up pops the check engine light.

P1201 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Common Causes of P1201

A common cause of code P1201 is the failure of P1201 Injector Circuit Open / Shorted Cylinder #1, but there are several other possible causes as well, such as ;

Engine Control Module (ECM)
Faulty ignition coil (s)
Fuel Injectors circuit poor electrical connection
Oil flow restriction in the oil passages or the variable camshaft timing (VCT) valve body

P1201 code for all cars

You can view according P1201 DTC for your car model. We selected several models to see obd2 solutions click and view it.

+P1201 Honda Step

+P1201 Aster 24

+P1201 Daihatsu D-compact

+P1201 Vauxhall Antara

+P1201 Fiat Tipo

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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